The Sealer,chemical, cataloged under National Stock Number 6850-01-408-3771, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-408-3771 |
| Item Name | Sealer,chemical |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Status | ACTIVE |
| Supplementary Features | 50 GRAM JAR G |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| P/S 870 B-1/2 50GR JR | 3/2 Design control — primary reference U.S. Government activity |
| AC-665 B-1/2 50GR JAR | 5/9 Secondary reference 3m Company |
| P/S 870 B-1/2 50GR JAR | 5/9 Secondary reference U.S. Government activity |
| AC-665 B-1/2 | 5/9 Secondary reference 3m Company Dba 3m |
| AC-665 B-1/2 50GR JAR | 5/9 Secondary reference 3m Company Dba 3m |
| AC-665 B-1/2 | 3/1 Design control — primary reference 3m Company |
| P/S 870 B-1/2 | 3/1 Design control — primary reference U.S. Government activity |
NSN 6850-01-408-3771 is a Sealer,chemical, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 8030-01-439-8084, 8030-01-569-8297, 8030-01-731-5348. Verify interchangeability with system specifications before substitution.
Key specifications for 6850-01-408-3771: Supplementary Features: 50 GRAM JAR G; Special Features: PREMIXED AND FROZEN; CONTAINS SOLUBLE CHROMATES; POLYSULFIDE; 1/2 HOUR WORKING TIME, COLOR: GRAY, PHYSICAL FORM: PASTE, MATERIAL: RUBBER SYNTHETIC, 30- HOURS DRYING TIME, DESIGNED FOR CORROSION PROTECTION FOR ALUMINUM ALLOYS AND BETWEEN DISSIMILAR METALS, 50-GRAM JAR.. 1 specification is documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.